EP3056732B1 - Verbesserter luftkompressor - Google Patents

Verbesserter luftkompressor Download PDF

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Publication number
EP3056732B1
EP3056732B1 EP16154566.0A EP16154566A EP3056732B1 EP 3056732 B1 EP3056732 B1 EP 3056732B1 EP 16154566 A EP16154566 A EP 16154566A EP 3056732 B1 EP3056732 B1 EP 3056732B1
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EP
European Patent Office
Prior art keywords
cylinder
air compressor
air
storage container
plugs
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EP16154566.0A
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English (en)
French (fr)
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EP3056732A1 (de
Inventor
Wen-San Chou
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Individual
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Individual
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Priority to PL16154566T priority Critical patent/PL3056732T3/pl
Publication of EP3056732A1 publication Critical patent/EP3056732A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling

Definitions

  • the present invention relates to an improved air compressor and, more particularly, to an air compressor which includes a cylinder defining a plurality of exit holes having different diameters, whereby the flow rate of compressed air entering the inner space of an air storage container can be significantly increased. Furthermore, since a plug corresponding to an exit hole having a smaller diameter will experience a smaller back force from the compressed air stored in the air storage container, so that, at a later stage of operation, the exit hole having a smaller diameter allows the compressed air to enter the air storage container more easily; therefore, the piston body can move in the cylinder more smoothly, and the efficiency of inflating an object can be increased.
  • air compressors basically has a cylinder which allows a piston body to conduct reciprocating motion therein to produce compressed air which can overcome a valve mechanism, so that the compressed air can flow through an exit hole of the cylinder to enter the inner space of an air storage container or an air tank.
  • the air storage container is provided with outlets for delivering the compressed air to an object to be inflated.
  • a valve mechanism which generally includes a plug and a compression spring, so that the exit hole can be opened or closed properly according to the pressure of the compressed air.
  • the compressed air produced in the cylinder can overcome the compressive force of the compression spring to enter the inner space of the air compressor.
  • the compressed air stored in the air storage container can exert a back force on the plug, thus restraining the plug being moved away from the exit hole.
  • the piston body which conducts reciprocating motion in the cylinder, will be subjected to a greater resistance.
  • the piston body may not move smoothly in the cylinder, and thus the speed of inflating an object will become slow. Furthermore, the motor of the air compressor will probably overheat and thus the performance of the motor will decrease. Even worse, the motor may be under the risk of burning out.
  • the applicant intends to develop an improved air compressor which can solve the shortcomings of conventional air compressors.
  • JP S63 202783 U a conventional air compressor is known, the air compressor comprising a cylinder which defines at its top wall a plurality of exit holes, wherein the exit holes have different diameters and are sealed by a plurality of plugs with a plurality of compression springs.
  • One object of the present invention is to provide an improved air compressor, wherein the cylinder of the air compressor defines a plurality of exit holes, through which the compressed air produced in the cylinder can enter the inner space of an air storage container, whereby the flow rate of the compressed air entering the air storage container can be significantly increased.
  • the present invention provides an air compressor characterized by the features defined in claim 1. Preferred embodiments are defined in the dependent claims.
  • the air compressor of the present invention includes a main frame, a motor mounted to the main frame, a cylinder provided at the main frame, and an air storage container capable of communicating with the cylinder, the motor capable of rotating a gear to have a piston body conduct reciprocating motion in the cylinder so as to produce therein compressed air which is regulated to enter an inner space of the air storage container.
  • the air compressor is characterized in that the cylinder defines at its top wall a plurality of exit holes through which the compressed air can enter the inner space of the air storage container, wherein the exit holes have different diameters and are respectively sealed by a valve mechanism including a plug and a compression spring, wherein the air compressor further includes a positioning cap to retain the plugs and the compression springs.
  • the exit holes have different diameters, wherein, at a later stage of operation, one plug corresponding to an exit hole with a smallest diameter will be subjected to a smallest back force; namely, the plug can be pushed away from the corresponding exit hole more easily than the other plugs being pushed away from their corresponding exit holes.
  • the resistance of the piston body conducting reciprocating motion can be reduced, so that the piston body can move in the cylinder more smoothly and the efficiency of inflating an object can be increased. Therefore, a lower-power motor can be used in the air compressor to quickly inflate an object.
  • an air compressor according to a first embodiment of the present invention is shown, which generally comprises a main frame 11, a motor 12 mounted to the main frame 11, a cylinder 2 provided at the main frame 11, and an air storage container 3 capable of communicating with the cylinder 2.
  • the motor 12 can drive a gear 13 to have a piston body 14 conduct reciprocating motion in the cylinder 2 so as to produce therein compressed air which is regulated to enter an inner space 36 of the air storage container 3.
  • the air storage container 3, which is used to store the compressed air produced in the cylinder 2, is provided with one or more outlets.
  • the outlet 31 can be connected with a pressure gauge 30; the outlet 33 can be connected with a relief valve 32; the outlet 34 can be connected with an object to be inflated (not shown).
  • the cylinder 2 of the present invention is different from the cylinders of conventional air compressors, wherein the cylinder 2 defines at its top wall 21 a plurality of exit holes, which allows the compressed air to enter the inner space 36 of the air storage container 3.
  • the exit hole 4 has a diameter of (X); the exit hole 5 has a diameter of (Y); the exit 6 has a diameter of (Z), wherein (X) is greater than (Y), and (Y) is greater than (Z).
  • the cylinder 2 is provided with three valve mechanisms respectively for regulating the three exit holes 4, 5, 6 to open or close.
  • Each valve mechanism includes a plug and a compression spring, wherein the plug has a bottom area that matches a corresponding exit hole; namely, for an exit hole having a larger diameter, its corresponding plug has a larger bottom area.
  • the plug 7, corresponding to the exit hole 4 has a bottom area (A);
  • the plug 8, corresponding to the exit 5 has a bottom area (B);
  • the plug 9, corresponding to the exit hole 6, has a bottom area (C).
  • the bottom area (A) of the plug 7 will be greater than the bottom area (B) of the plug 8, and the bottom area (B) of the plug 8 is greater than the bottom area (C) of the plug 9 (i.e., A > B > C).
  • the plugs 7, 8, 9 can respectively seal the exit holes 4, 5, 6 (see FIG. 4 ).
  • the compression springs 71, 81, 91 are respectively disposed on the plugs 7, 8, 9 (see FIG 5 ), such that a first end of each compression spring is fitted around the top end of a corresponding plug.
  • a positioning cap 15 has two opposite resilient legs 16 and three columns 152, 153, 154 (see also FIG.
  • the positioning cap 15 is mounted on a tubular projection 22 such that the two opposite resilient legs 16 are engaged with two opposite snap holes 23 defined at the tubular projection 22.
  • Second ends of the compression springs 71, 81, 91 are respectively fitted around the three columns 152, 153, 154 of the positioning cap 15.
  • the three columns 152, 153, 154 are located slightly above the three plugs 7, 8, 9, so as to limit the upward displacement of the plugs 7, 8, 9 when the air compressor is running. As such, the flow rate of the compressed air entering the air storage container 3 can be properly regulated.
  • the compression springs 71, 81, 91 can respectively urge the plugs 7, 8, 9 to seal the exit holes 4, 5, 6.
  • the cylinder 2 is provided at its top with a flange 24 defining two opposite cuts 25.
  • the air storage container 3 is provided with two opposite L-shaped holders 35, which can be located in the two opposite cuts 25 and rotated at a predetermined angle so as to engage with the flange 25, so that the air storage container 3 can be detachably mounted to the cylinder 2 (see FIG 10 ).
  • the air storage container 3 can be rotated about the flange 24 at a range of angle, and this feature can facilitate a manufacturer to choose a suitable angle for an air storage container being mounted to a cylinder of an air compressor.
  • the piston body 14 can conduct reciprocating motion in the cylinder 2 to produce therein compressed air, which can overcome the compressive force of the compression springs 71, 81, 91 to move the plugs 7, 8, 9 away from their corresponding exit holes 4, 5, 6, so that the compressed air can enter the inner space 36 of the air storage container 3.
  • the compressed air can enter the inner space 36 of the air storage container 3 simultaneously via the exits holes 4, 5, 6, so that the flow rate of the compressed air entering the air storage container 3 can be increased significantly.
  • the stored compressed air can exert back forces on the plugs 7, 8, 9 so that the plugs 7, 8, 9 are further restrained.
  • the piston body 14 will be subjected to greater resistance while it is conducting reciprocating motion.
  • the plugs 7, 8, 9 are subjected to different back forces.
  • the plug 9 since the plug 9 has a smallest diameter, it will be subjected to a smallest back force among the plugs; namely, the plug 9 can be pushed away from the exit hole 6 more easily than the other plugs being pushed away their corresponding exit holes.
  • the motion resistance of the piston body 14 can be reduced, so that the piston body 14 can move in the cylinder 2 more smoothly.
  • a lower-power motor can be used in the air compressor of the present invention to quickly inflate an object.
  • the cylinder 2 can be provided with three groups of spaced ribs 41, 51, 61 on its top wall 21, respectively around the exit holes 4, 5, 6 to confine the corresponding plugs 7, 8, 9 (see FIGS. 2 , 3 , 4 and 5 ).
  • FIG 12 shows a second embodiment of the air compressor, wherein each of the valve mechanisms includes a plug, an O-ring and a compression spring.
  • the O-rings 42, 52, 62 will be respectively located around the exit holes 4, 5, 6.
  • the plugs 7, 8, 9 will be respectively placed on the O-rings 42, 52, 62.
  • First ends of the compression springs 71, 81, 91 will be fitted around the plugs 7, 8, 9, while second ends of the compression springs 71, 81, 91 will be fitted around the columns 152,153, 154 of the positioning cap 15.
  • the compression springs 71, 81, 91 can respectively urge their corresponding plugs 7, 8, 9 to press the O-rings 42, 52, 62 against the top wall 21 of the cylinder 2, so that the corresponding exit holes 4, 5, 6 can be sealed properly.
  • the air compressor of the present invention is featured in that the top wall 21 of the cylinder 2 defines a plurality of exit holes having different diameters.
  • the exit holes can be respectively sealed by a plurality of plugs with a plurality of compression springs.
  • three exit holes 4, 5, 6 can be sealed by three plugs 7, 8, 9 with corresponding compression springs 71, 81, 91.
  • the flow rate of the compressed air entering the inner space 36 of the air storage container 3 can be increased significantly.
  • the plugs 7, 8, 9 are subjected to different back forces, wherein the plug 9 is subjected to a smallest back force as the plug 9 has a smallest area on which the pressure of the compressed air in the air storage tank 3 is applied, so that the plug 9 can be moved away from the exit hole 6 more easily than the other plugs 4, 5, and thus the compressed air can enter the inner space 36 of the air storage container 3 more easily via the exit hole 6 at a later stage of operation. Consequently, the motion resistance of the piston body 14 can be reduced.
  • a lower-power motor can be used in the air compressor to quickly inflate an object. This feature renders the present invention useful and inventive.

Claims (8)

  1. Luftkompressor einschließlich eines Hauptrahmens (11), eines Motors (12), der an dem Hauptrahmen (11) montiert ist, eines Zylinders (2), der an dem Hauptrahmen (11) bereitgestellt ist, und eines Luftspeicherbehälters (3), der mit dem Zylinder (2) in Verbindung stehen kann, wobei der Motor (12) ein Getriebe (13) drehen kann, um einen Kolbenkörper (14) eine Hin- und Herbewegung in dem Zylinder (2) ausführen zu lassen, um darin Druckluft zu erzeugen, deren Eintreten in einen Innenraum (36) des Luftspeicherbehälters (3) geregelt wird,
    dadurch gekennzeichnet, dass
    der Zylinder (2) an der oberen Wand (21) mehrere Austrittslöcher (4, 5, 6) definiert, durch die die Druckluft in den Innenraum (36) des Luftspeicherbehälters (3) eintreten kann, wobei die Austrittslöcher (4, 5, 6) unterschiedliche Durchmesser aufweisen,
    wobei der Zylinder (2) ferner jeweils für die Austrittslöcher (4, 5, 6) mit mehreren Ventilmechanismen bereitgestellt ist, wobei die Ventilmechanismen jeweils einen Stopfen (7, 8, 9) und eine Druckfeder (71, 81, 91) einschließen,
    wobei der Luftkompressor ferner eine Positionierkappe (15) einschließt, die an der oberen Wand (21) des Zylinders (2) befestigt und in dem Luftspeicherbehälter (3) aufgenommen ist, wobei die Positionierkappe mehrere Stäbe (152, 153, 514) aufweist, die etwas oberhalb der Stopfen (7, 8, 9) angeordnet sind, um jeweils die Verschiebung der Stopfen (7, 8, 9) einzuschränken, und
    wobei ein Ende jeder Druckfeder (71, 81, 91) um einen entsprechenden Stopfen (7, 8, 9) herum angebracht ist, während ein anderes Ende jeder Druckfeder (71, 81, 91) um einen entsprechenden Stab (152, 153, 154) herum angebracht ist, wobei die Druckfeder (71, 81, 91) gegen den Stopfen (7, 8, 9) drückt, um die entsprechende Austrittsöffnung (4, 5, 6) abzudichten.
  2. Luftkompressor nach Anspruch 1, wobei die Anzahl der Austrittslöcher (4, 5, 6), die an der oberen Wand (21) des Zylinders (2) definiert sind, drei beträgt.
  3. Luftkompressor nach Anspruch 2, wobei der Zylinder (2) mit drei Ventilmechanismen bereitgestellt ist.
  4. Luftkompressor nach Anspruch 3, wobei der Zylinder (2) an der oberen Wand (21) mit einem rohrförmigen Vorsprung (22) bereitgestellt ist, der zwei gegenüberliegende Einschnapplöcher (23) definiert; wobei die Positionierkappe (15) zwei gegenüberliegende elastische Stützen (16) aufweist, die mit den Einschnapplöchern (23) in Eingriff stehen, und drei Stäbe (152, 153, 154) aufweist, um jeweils die Verschiebung der drei Stopfen (7, 8, 9) einzuschränken, um die Durchflussrate der in den Luftspeicherbehälter (3) eintretenden Druckluft zu steuern.
  5. Luftkompressor nach Anspruch 3, wobei die Bodenflächen der drei Stopfen (7, 8, 9) jeweils zu ihren entsprechenden Austrittslöchern (4, 5, 6) passen.
  6. Luftkompressor nach Anspruch 5,wobei der Zylinder (2) an der oberen Wand (21) mit drei Gruppen beabstandeter Rippen (41, 51, 61) jeweils um die Austrittslöcher (4, 5, 6) herum bereitgestellt ist, um die entsprechenden Stopfen (7,8,9) zu begrenzen.
  7. Luftkompressor nach Anspruch 1, wobei der Zylinder (2) an der Oberseite mit einem Flansch (24) bereitgestellt ist, der zwei gegenüberliegende Einschnitte (25) definiert; der Luftspeicherbehälter (3) mit zwei gegenüberliegende L-förmigen Haltern (35) bereitgestellt ist, die jeweils in den beiden Einschnitten (25) des Flansches (24) angeordnet sind und in einem vorbestimmten Winkel gedreht werden können, um mit dem Flansch (24) in Eingriff zu stehen, sodass der Luftspeicherbehälter (3) abnehmbar an dem Zylinder (2) montiert werden kann.
  8. Luftkompressor nach Anspruch 1, wobei jeder Ventilmechanismus ferner einen O-Ring (42, 52, 62) einschließt, wobei der O-Ring (42, 52, 62) an der oberen Wand (21) des Zylinders (2) um ein entsprechendes Austrittsloch (4, 5, 6) herum angeordnet ist, der Stopfen (7, 8, 9) auf den O-Ring (42, 52, 62) aufgesetzt ist, die Druckfeder (71, 81, 91) gegen den Stopfen (7, 8, 9) drückt, um den O-Ring (42, 52, 62) gegen die obere Wand (21) des Zylinders (2) zu pressen, um die entsprechende Austrittsöffnung (4, 5, 6) abzudichten.
EP16154566.0A 2015-02-13 2016-02-05 Verbesserter luftkompressor Active EP3056732B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16154566T PL3056732T3 (pl) 2015-02-13 2016-02-05 Ulepszona sprężarka powietrza

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104105168A TWI570329B (zh) 2015-02-13 2015-02-13 空氣壓縮機之壓縮筒出氣構造改良

Publications (2)

Publication Number Publication Date
EP3056732A1 EP3056732A1 (de) 2016-08-17
EP3056732B1 true EP3056732B1 (de) 2019-06-12

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Country Status (9)

Country Link
US (1) US10294932B2 (de)
EP (1) EP3056732B1 (de)
JP (2) JP3205431U (de)
KR (1) KR101817613B1 (de)
CN (2) CN105889032B (de)
DK (1) DK3056732T3 (de)
HU (1) HUE045920T2 (de)
PL (1) PL3056732T3 (de)
TW (1) TWI570329B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI570329B (zh) * 2015-02-13 2017-02-11 Wen-San Chou 空氣壓縮機之壓縮筒出氣構造改良
TWI580867B (zh) * 2015-03-03 2017-05-01 周文三 空氣壓縮機之構造改良
CN109737033B (zh) * 2019-02-18 2023-08-15 江苏亿卡迪机械工业集团有限公司 一种空气压缩机压机压缩部分结构
TWI822434B (zh) * 2022-11-02 2023-11-11 已久工業股份有限公司 空壓機

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Also Published As

Publication number Publication date
EP3056732A1 (de) 2016-08-17
CN105889032A (zh) 2016-08-24
TWI570329B (zh) 2017-02-11
JP6154501B2 (ja) 2017-06-28
CN105889032B (zh) 2020-06-30
US10294932B2 (en) 2019-05-21
JP2016148335A (ja) 2016-08-18
TW201629346A (zh) 2016-08-16
KR101817613B1 (ko) 2018-01-11
PL3056732T3 (pl) 2020-02-28
US20160237996A1 (en) 2016-08-18
JP3205431U (ja) 2016-07-28
HUE045920T2 (hu) 2020-01-28
KR20160100243A (ko) 2016-08-23
CN205533117U (zh) 2016-08-31
DK3056732T3 (da) 2019-09-16

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